EPA Air · inspections by state, industry and year

NAICS 9999: inspections in California, 2024

• 234Inspections

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2024 at a California source whose primary industry code is NAICS 9999. A facility filing more than one industry code is counted under the first one on its record.

NAICS 9999 in California, other years

• 2026 172
• 2025 210
• 2023 221
• 2022 183
• 2021 215
• 2020 182
• 2019 249
• 2018 178
• 2017 190

Other industries in California, 2024

• Oil and gas extraction (NAICS 2111) 464
• Utilities (NAICS 2211) 370
• Petroleum and coal products manufacturing (NAICS 3241) 256
• Waste management and remediation (NAICS 5622) 124
• Nonmetallic mineral product manufacturing (NAICS 3272) 106
• Beverage and tobacco manufacturing (NAICS 3121) 91
• Utilities (NAICS 2213) 81
• Merchant wholesalers, nondurable goods (NAICS 4247) 80
• Food manufacturing (NAICS 3114) 65
• Nonmetallic mineral product manufacturing (NAICS 3279) 60
• Plastics and rubber products manufacturing (NAICS 3261) 55
• Pipeline transportation (NAICS 4861) 42
• Pipeline transportation (NAICS 4862) 36
• National security and international affairs (NAICS 9281) 26
• Paper manufacturing (NAICS 3222) 25
• Food manufacturing (NAICS 3116) 24
• Fabricated metal product manufacturing (NAICS 3324) 23
• Fabricated metal product manufacturing (NAICS 3328) 22
• Food manufacturing (NAICS 3115) 21
• Hospitals (NAICS 6221) 20
• Transportation equipment manufacturing (NAICS 3364) 19
• Agriculture and forestry support (NAICS 1151) 19
• Food manufacturing (NAICS 3111) 19
• Justice, public order and safety (NAICS 9221) 18
• Chemical manufacturing (NAICS 3251) 17
• Waste management and remediation (NAICS 5629) 17
• Crop production (NAICS 1113) 17
• Animal production (NAICS 1121) 16
• Nonmetallic mineral product manufacturing (NAICS 3273) 16
• Food manufacturing (NAICS 3119) 16
• Fabricated metal product manufacturing (NAICS 3323) 15
• Chemical manufacturing (NAICS 3252) 15
• Fabricated metal product manufacturing (NAICS 3321) 14
• Mining and quarrying (NAICS 2123) 13
• Crop production (NAICS 1112) 12
• Chemical manufacturing (NAICS 3253) 12
• Primary metal manufacturing (NAICS 3313) 12
• NAICS 4543 11
• Transportation equipment manufacturing (NAICS 3366) 11
• Furniture and related product manufacturing (NAICS 3372) 10
• Executive and legislative government (NAICS 9211) 10
• Educational services (NAICS 6113) 8
• Chemical manufacturing (NAICS 3255) 8
• Printing and related support (NAICS 3231) 8
• Pipeline transportation (NAICS 4869) 8
• Space research and technology (NAICS 9271) 8
• Primary metal manufacturing (NAICS 3314) 7
• Mining support (NAICS 2131) 7
• Warehousing and storage (NAICS 4931) 7
• Administration of environmental programs (NAICS 9241) 7
• Nonmetallic mineral product manufacturing (NAICS 3271) 7
• Miscellaneous manufacturing (NAICS 3391) 6
• Plastics and rubber products manufacturing (NAICS 3262) 6
• Merchant wholesalers, nondurable goods (NAICS 4244) 6
• Primary metal manufacturing (NAICS 3312) 6
• Support activities for transportation (NAICS 4881) 5
• Amusement, gambling and recreation (NAICS 7131) 5
• Miscellaneous manufacturing (NAICS 3399) 5
• Furniture and related product manufacturing (NAICS 3371) 5
• Food manufacturing (NAICS 3112) 5

Air-emissions inspections recorded in California, 2024

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.